package com.tongna.crawler;

import java.util.concurrent.atomic.AtomicInteger;

/**
 * Hello world!
 *
 */
public class App 
{
    public static void main( String[] args )
    {
        System.out.println( "Hello World!" );
    
        AtomicInteger num=new AtomicInteger(0);
        num.incrementAndGet();
    }
}
